Hi xxx Hi Hoan > + rcar_sound,src { > + src0: src-0 { > + status = "disabled"; > + }; > + src1: src-1 { > + status = "disabled"; > + }; > + src2: src-2 { > + status = "disabled"; > + }; > + src3: src-3 { > + status = "disabled"; > + }; > + src4: src-4 { > + status = "disabled"; > + }; > + src5: src-5 { > + interrupts = <GIC_SPI 357 IRQ_TYPE_LEVEL_HIGH>; > + dmas = <&audma0 0x8f>, <&audma0 0xb2>; > + dma-names = "rx", "tx"; > + }; > + src6: src-6 { > + interrupts = <GIC_SPI 358 IRQ_TYPE_LEVEL_HIGH>; > + dmas = <&audma0 0x91>, <&audma0 0xb4>; > + dma-names = "rx", "tx"; > + }; > + src7: src-7 { > + status = "disabled"; > + }; > + src8: src-8 { > + status = "disabled"; > + }; > + src9: src-9 { > + status = "disabled"; > + }; > + }; I think src6 - src9 are not needed here. > + rcar_sound,ssiu { > + ssiu00: ssiu-0 { > + status = "disabled"; > + }; (snip) > + ssiu30: ssiu-24 { > + dmas = <&audma0 0x6f>, <&audma0 0x70>; > + dma-names = "rx", "tx"; > + }; (snip) > + ssiu40: ssiu-32 { > + dmas = <&audma0 0x71>, <&audma0 0x72>; > + dma-names = "rx", "tx"; > + }; > + ssiu41: ssiu-33 { > + status = "disabled"; > + }; (snip) > + ssiu97: ssiu-51 { > + status = "disabled"; > + }; > + }; We need to update ssiu.c to avoid disabled SSIU, then we can avoid ssiu-33 - ssiu-51. > + rcar_sound,ssi { > + ssi0: ssi-0 { > + status = "disabled"; > + }; > + ssi1: ssi-1 { > + status = "disabled"; > + }; > + ssi2: ssi-2 { > + status = "disabled"; > + }; > + ssi3: ssi-3 { > + interrupts = <GIC_SPI 373 IRQ_TYPE_LEVEL_HIGH>; > + dmas = <&audma0 0x07>, <&audma0 0x08>; > + dma-names = "rx", "tx"; > + }; > + ssi4: ssi-4 { > + interrupts = <GIC_SPI 374 IRQ_TYPE_LEVEL_HIGH>; > + dmas = <&audma0 0x09>, <&audma0 0x0a>; > + dma-names = "rx", "tx"; > + }; > + ssi5: ssi-5 { > + status = "disabled"; > + }; > + ssi6: ssi-6 { > + status = "disabled"; > + }; > + ssi7: ssi-7 { > + status = "disabled"; > + }; > + ssi8: ssi-8 { > + status = "disabled"; > + }; I think ssi-5 - ssi-8 are not needed Thank you for your help !! Best regards --- Kuninori Morimoto